Floating Bur-reed, Narrow-leaf Bur-reed, Narrow-leaved Bur-reed
Sparganium angustifolium
Synonyms: Sparganium angustifolium var. multipedunculatum, Sparganium emersum var. angustifolium, Sparganium emersum var. multipedunculatum, Sparganium multipedunculatum, Sparganium simplex var. multipedunculatum
Simple-stem bur-reed seen blooming in a shallow pond along the East Crater Trail #48, Indian Heaven Wilderness........August 24. 2013.
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Simple-stem bur-reed seen blooming in a shallow pond along the East Crater Trail #48, Indian Heaven Wilderness........August 24. 2013.
Simple-stem bur-reed as seen in Sheep Lake, Indian Heaven Wilderness............August 31, 2014.
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Simple-stem bur-reed as seen in a pond in a moist meadow on the east side of the Pacific Crest Trail #2000 between Deer and Sand Lakes, north of White Pass, Wenatchee National Forest..........August 27, 2014.
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Simple-stem bur-reed as seen in a small pond near the junction of the Klickitat Trail #7 and Cispus Lookout Trail #127, Gifford Pinchot National Forest..........July 4, 2015. Note that on some plants there appears to be one male spike, whereas on others there appear to be two.
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Senescing simple-stem bur-reed observed in a drying pond at the Indian Racetrack, Indian Heaven Wilderness......October 10, 2022.
Paul Slichter